Please see the screenshot. It illustrates that minWidth for button is too small. It has to include whole Button label (which is prefWidth now).

Here is my conversation with Amy:
> My understanding is that there are two issues actually:
> • Min width for button should include label text. I don't see any other valid value of button min width.
That's a good question. Right now all Labeled controls have a min width that's small, adding "...", but I agree
that a push button should probably not be cropped.